24/9-6
Eksport: PDF
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Generell informasjon
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Brønnhistorie
GeneralWell 24/9-6 was drilled to appraise the 24/9-5 discovery and is located 2.2 km to the east of the 24/9-5 well location. Well 24/9-5 encountered a thin, 5.9 m net Balder Sandstone reservoir. It was considered not to be optimally placed for the Balder Formation objective and no production tests were made. Instead well 24/9-6 was drilled as an immediate appraisal in an optimum location. Mapping indicated that sandstone presence within the Balder Formation could be identified by gross Balder Formation thickening and by an associated seismic amplitude anomaly, believed to be a direct hydrocarbon indicator. Well 24/9-6 was located close to the centre of the Balder Formation interval thickening in a position where the seismic amplitude anomaly was best developedOperations and resultsAppraisal well 24/9-6 was spudded with the semi-submersible installation West Delta on 1 February 1994 and drilled to TD at 2255 m in the Paleocene Heimdal Formation. No significant technical problems were reported from the operations. The well was drilled with seawater down to 1279 m, with KCl/polymer/glycol from 1279 m to 1957 m, and with KCl/polymer mud from 1957 m to TD.The Balder Formation was encountered at 1917 m with two massive Intra Balder Formation sandstone sequences with a total net thickness of 49.5 m (prognosis 25 m). The first Intra Balder Formation sandstone was encountered at 2010.5 m, the second at 2034 m. A thin (0.5 m) oil-bearing sandstone was encountered at 2004.0 m just above the upper massive sandstone. The upper massive sandstone was hydrocarbon bearing all through down to the base at 2022 m, without any OWC seen. The lower massive sandstone proved to be water bearing. Thin sandstones in the interval 2029.0-2033.0 m had good shows on core. The highest known water was observed at 2034.0 m.Analysis of a PVT sample from 2012.0 m showed the oil gravity to be 32 deg API with a gas/oil ratio (GOR) of 105 Sm3/Sm3. PVT pressure data indicated the fluid system to be saturated or near saturation at reservoir conditions. However no indications of the presence of a gas cap were seen. Three conventional cores were cut from 2015 m to 2046 m in the Balder Formation. Core recovered in core no. 1 (2015 m to 2024 m) is believed to be from the bottom of the cored interval. The inner liner of core no. 3 sheared and it is believed that up to 0.9 m may have been lost at 2035.5 m. One FMT fluid sample was taken at 2012 m. It contained 32 deg API oil.The accumulation was concluded to be of sub-commercial size and the well was plugged and abandoned without production testing. The well was permanently abandoned on 7 March 1994 as an oil appraisal.TestingNo drill stem test was performed in the well. -
Borekaks i Sokkeldirektoratet
Borekaks i Sokkeldirektoratet Borekaks tilgjengelig for prøvetaking?YESBorekaks i Sokkeldirektoratet Borekaksprøve, topp dybde [m]Borekaksprøve, bunn dybde [m]1287.002283.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet12022.12024.0[m ]22024.02032.2[m ]32032.52045.1[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]22.7Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Foringsrør og formasjonsstyrketester
Foringsrør og formasjonsstyrketester Type utforingUtforing diam.
[tommer]Utforing dybde
[m]Brønnbane diam.
[tommer]Brønnbane dyp
[m]LOT/FIT slam eqv.
[g/cm3]Type formasjonstestCONDUCTOR30249.036254.00.00LOTSURF.COND.13 3/81279.017 1/21286.00.00LOTINTERM.9 5/81957.012 1/41963.00.00LOTOPEN HOLE2255.08 1/22255.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]BP BST CCL18781878CBIL CGR TTRM19552253DAC DGR TTRM1301278DAC DGR TTRM12784000DLL MLL GR CHT19552253DPIL SP DAC DGR XDL CAL TTRM12781946DPIL SP MAC DGR TTRM29552253HEXDIP GR CHT19552253MAC DGR TTRM00MWD - GR DPR1582254SWC20042241VPC FMT GR20042119VSP00ZDL CN DSL TTRM19552253 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet153335389658670860115812711323135019171917201120222034207220882119213721542210 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokumentstørrelse [MB]pdf0.20 -
Geokjemisk informasjon
Geokjemisk informasjon Dokument navnDokument formatDokumentstørrelse [MB]pdf2.78 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokumentstørrelse [MB]pdf14.58 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling1901.06WATER BASED04.02.19942541.06WATER BASED07.02.19942541.06WATER BASED07.02.19942541.06WATER BASED07.02.19942541.06WATER BASED08.02.19942541.06WATER BASED09.02.19942541.01WATER BASED10.02.19943901.06WATER BASED02.02.19946141.06WATER BASED03.02.19947411.01WATER BASED11.02.199412061.0324.019.0WATER BASED14.02.199412861.1339.018.0WATER BASED16.02.199412861.2520.010.0WATER BASED14.02.199412861.1339.018.0WATER BASED15.02.199412861.4034.011.0WATER BASED17.02.199412861.4134.011.0WATER BASED18.02.199413551.4053.012.021.02.199417111.5057.013.0DUMMY21.02.199419481.5034.014.0DUMMY21.02.199419631.5045.012.0DUMMY22.02.199419631.5539.024.0DUMMY23.02.199419631.4027.011.0DUMMY24.02.199419631.1517.07.0DUMMY25.02.199420151.1619.010.028.02.199420331.1618.012.0DUMMY28.02.199420871.1620.013.0DUMMY01.03.199422551.1722.015.0DUMMY01.03.199422551.1722.013.0DUMMY02.03.199422551.1822.015.0DUMMY03.03.199422551.1821.015.0DUMMY04.03.1994